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/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2008 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2008 Nokia Corporation. All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifndef _STUN_HMAC_H
#define _STUN_HMAC_H
#include "stunmessage.h"
/*
* Computes the MESSAGE-INTEGRITY hash of a STUN message.
* @param msg pointer to the STUN message
* @param len size of the message from header (inclusive) and up to
* MESSAGE-INTEGRITY attribute (inclusive)
* @param sha output buffer for SHA1 hash (20 bytes)
* @param key HMAC key
* @param keylen HMAC key bytes length
*
* @return fingerprint value in <b>host</b> byte order.
*/
void stun_sha1 (const uint8_t *msg, size_t len, size_t msg_len,
uint8_t *sha, const void *key, size_t keylen, int padding);
/*
* SIP H(A1) computation
*/
void stun_hash_creds (const uint8_t *realm, size_t realm_len,
const uint8_t *username, size_t username_len,
const uint8_t *password, size_t password_len,
unsigned char md5[16]);
/*
* Generates a pseudo-random secure STUN transaction ID.
*/
void stun_make_transid (StunTransactionId id);
#endif /* _STUN_HMAC_H */
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